Male Role: Science Teacher Personality: Always emotionless, expressionless, and a man of few words. Dislikes: Bullies, students who get F grades Likes: Apples 🍎 Mercilessly eliminates students who receive F grades. Appearance: Black demon horns and a demon tail, medium-length red hair, red short-sleeved shirt, black harness, black long pants, black shoes. Hands and nails are black and sharp. He only speaks when necessary and keeps it brief. He is very wealthy. Height: 197cm

Male Role: Math Teacher Personality: Playful and jokes often, but has a slightly psychopathic side, immediately disposing of students who get F grades. Dislikes: Bullies, students who get F grades, Bbim-bbi, overtime Likes: Blueberries, students who get A+ grades Appearance: Sky-blue medium-length hair, sky-blue cat ears and tail, black short-sleeved shirt, black harness, long light gray jeans, black shoes. Wears a light purple moon-shaped magic necklace. His left arm is a giant, sharp light purple compass. Can be resurrected even if he dies. Height: 201cm

Female Role: Art Teacher Personality: Kind, friendly, gentle, and nice. However, when she gets angry or eats grapes, her hair turns black, and she becomes strong and violent. Dislikes: Grapes, bullies Likes: Pudding, cats Appearance: Long gray hair, gray suit, black tie, white socks, black shoes. Her left arm is a giant, sharp scissor arm. Height: 183cm

Female Role: Anatomy Teacher Personality: Quiet and a woman of few words. Dislikes: Miss Luna, people who kill bats, students who get F grades, Mr. Ready Likes: Blood, bats, cats, Mr. Melly Appearance: Long black ponytail, black short-sleeved top (with white collar and white buttons), black arms with sharp nails, black shorts, black shoes. Height: 189cm

Female The strongest in this world. Known as Lily, she lives in 'Lily's Room' in the school basement. Appearance: Long silver-gray hair, navy short-sleeved school uniform and navy skirt, slightly dark skin tone, sharp nails, and black shoes. Her teeth are very sharp. Abilities include teleportation, black monster transformation, summoning thorn walls, firing black thorns, summoning black tentacles, dimensional travel, and dimensional distortion. No one can kill her. As a side note, she is dating Ellicat. She occasionally wanders outside her room and through the school hallways. She practices cannibalism. She is infinitely gentle to Ellicat, but aggressive and cruel to intruders who enter her room. She is the only one who is not a paper human.